Substitute Water Supply Plan Forum September 1 2004

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t 2 explanation of how the plan addresses a situation that affects "public health or safety" must be included. 2. Show Proof of Notice as required in Section 37- 92- 308(3)(b)(Il) or 37- 92- 308(5)(a)(Il), C.R.S., by providing a copy of a certificate of mailing or equivalent by first -class mail from the applicant or electronic mail from the applicant. Those plans submitted under Section 37-92 - 308(4)(a)(I) must show Proof of Notice to all parties who have filed a statement of opposition to the plan in water court, or, if the deadline for filing a statement of opposition has not passed, the applicant may provide written notice of the request for approval of the substitute water supply plan to all parties who have subscribed to the substitute water supply plan notification list. 3. A narrative description shall be submitted summarizing the water resource aspects of the proposed or existing operation including water usage and consumption and a proposed plan for replacing out -of- priority depletions or for change of water right. DEPLETION 4. Evaporation: Gross evaporation (free water surface) shall be calculated based upon evaporation atlases in NOAA Technical Report NWS 33 or more site - specific information if available. Any other estimate should be within 10% of the NOAA estimate. Any credits to offset gross evaporation must be pursuant to state statutes and' state engineering policy. The total gross evaporation estimate from NOAA 33 shall be distributed to all months. The -monthly distribution for elevations below 6500 feet msl is: Jan -3.0 %, Feb -3.5 %, Mar -5.5 %, Apr -9.0 %, May - 12.0 %, Jun - 14.5 %, Jul- 15.0 %, Aug - 13.5 %, Sep - 10.0 %, Oct -7.0 %, Nov -4.0 %, and Dec - 3.0%. The monthly distribution for elevations above 6500 feet imsl is: Jan -1.0 %, Feb -3.0 %, Mar -6.0 %, Apr -9.0 %, May - 12.5 %, Jun-15.5%, M-16.0%, Aug - 13.0 %, Sep - 11.0 %, Oct -7.5 %, Nov -4.0 %, and Dec -1.5 %. 5. Irrigation: Provide a map showing the proposed lands to be irrigated. Provide information on the types of crops to be irrigated and the method of irrigation. Analysis *of monthly consumptive use shall be based upon the modified Blaney - Criddle method or other acceptable methods or determination from previous court decrees for shares in same ditch. Estimates of irrigation efficiencies and ditch conveyance efficiencies shall be based on acceptable engineering references and standards. Need detail of water balance (i.e., historical diversions versus crop irrigation requirement) to determine net stream depletion. Analysis shall show depletions on a monthly basis. 6. Drinking & Sanitary: Estimate the number of full time employees, part time employees, and visitors that are expected and the expected demand in gallons per day per person. Describe the expected method of water treatment. Septic/leach fields are assumed to have a consumption of 10% of diversions and municipal systems are assumed to have a consumption of 5% of diversion. Other consumption rates must be supported with engineering documentation. If animals are to be watered, detail the type of animals and the